Answer:
substitute the input (the given number or expression) for the function's variable (place holder, x).
Replace the x with the number or expression.
Example:
f(x)=3x-5 and f(4)
f(x)=3(4)-5
f(x)=12-5
f(x)=7
final answer is (4,7)
Answer:I DON'T KNOW
Step-by-step explanation:
Answer:
y = 4x + 5
Step-by-step explanation:
4 times the number of shirts, which is unknown, +$5 no matter how many.
Answer:
32 and 58.
Step-by-step explanation:
complementary angles add up to 90.
26+x=y
x+y=90
plug y=26+x into the above equation
x+26+x=90
2x=64
x=32
The angles are 32 and 58.
if your income i 10000 x 4% intrest rate it would be 400